public class Example29 {
    public static void main(String[] args) {
        int [] arr = {9,8,3,5,2};
        System.out.println("冒泡排序前：");
        printArray(arr);
        bbubbleSort(arr);
        System.out.println("冒泡排序后：");
        printArray(arr);
    }
    public static void printArray(int []arr){
        for (int i = 0;i < arr.length;i++){
            System.out.print( arr[i]+ "");
        }
        System.out.print("\n");
    }
    public static void bbubbleSort(int [] arr){
        for (int i = 0;i < arr.length-1;i++){
            for (int j = 0;j < arr.length-i-1;j++){
                if (arr[j]>arr[j+1]){
                    int temp = arr[j];
                    arr[j] = arr[j+1];
                    arr[j+1] = temp;
                }
            }
            System.out.print("第"+(1+i) + "轮排序后：");
            printArray(arr);
        }
    }
}
